Home / 22,708,436.60-31,333,450.92-12,918,308.96

Finding the Fourth Proportional to 22,708,436.60, 31,333,450.92 and 12,918,308.96

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Solution

The fourth proportional to 22,708,436.60, 31,333,450.92 and 12,918,308.96 is: 17,824,881.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,708,436.60 : 31,333,450.92 = 12,918,308.96 : x
  2. Step 2: Convert to fraction form
    22,708,436.60/31,333,450.92 = 12,918,308.96/x
  3. Step 3: Cross multiply
    22,708,436.60x = 31,333,450.92 × 12,918,308.96
  4. Step 4: Simplify right side
    22,708,436.60x = 404,775,199,767,556.31
  5. Step 5: Solve for x
    x = 404,775,199,767,556.31/22,708,436.60
  6. Step 6: Final answer
    x = 17,824,881.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.